function [y, T] = static_3(y, x, params, sparse_rowval, sparse_colval, sparse_colptr, T)
  y(9)=T(6)*(1-params(4))*y(5)^(-params(4));
  y(8)=T(9)*params(4)*y(3)^(params(4)-1)-params(3);
  y(6)=y(1)/y(5);
end
